Allegan, Michigan

Allegan population, 2020 to 2024

Allegan lost 64 residents from July 2020 to July 2024, a change of -1.2%. In the latest year it moved by -8. Among 153 Michigan places of 5,000 or more, that growth ranks 100th; the median place changed by -0.5%. The median place of 5,000+ in Michigan has 12,132 people, so Allegan is 42% of it.

Allegan covers 3.85 square miles of land and 0.41 of water, for 1,338 people per square mile of land. The median Michigan place of 5,000+ has 2,478, so Allegan is less dense than the typical town.

What county Allegan is in

All of Allegan's residents live in Allegan County, which had 122,429 residents in 2024. Allegan holds 4.2% of the county's population. The shaded shape is on the map above; dots mark the eight nearest places.

ZIP codes in Allegan

1 ZIP Code Tabulation Area (ZCTA) overlaps Allegan by at least 10% of the ZCTA's or the city's land: 49010. ZCTAs are Census approximations of USPS ZIP code delivery areas. The list comes from the 2020 ZCTA to place relationship file, so a city that annexed land after 2020 may reach into ZIP codes not listed here.

Where Allegan is

The Census internal point of Allegan is at 42.531100, -85.839200. Lansing, the capital, is 66.8 miles ENE in a straight line. The nearest larger place is Holland, MI (35,023 people), 20.9 miles away. The nearest city of 100,000 or more is Grand Rapids, MI, 31.1 miles away.

Daylight in Allegan

At 42.53° N, Allegan gets about 15 h 18 min of daylight around the June solstice and 9 h 03 min around the December solstice, a swing of 6 h 15 min. Figures are sunrise to sunset from the SunCalc model for June 21 and December 21, 2026.

Places near Allegan

The eight nearest incorporated places of 1,000+ in Michigan, measured between internal points. The closest is Otsego, 8.8 miles away, with 4,036 people.